#define _CRT_SECURE_NO_WARNINGS 1

#include"Stack.h"

void Stack::StackInit()
{
	_a = nullptr;
	_top = _capacity = 0;
}

void Stack::StackPush(int x)
{}

int Stack::StackTop()
{
	assert(_top > 0);
	return _a[_top - 1];
}